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Diffstat (limited to 'llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp')
-rw-r--r--llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp12
1 files changed, 8 insertions, 4 deletions
diff --git a/llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp b/llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
index f6bb7b3196f..d663616f02d 100644
--- a/llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
+++ b/llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
@@ -723,7 +723,8 @@ SILoadStoreOptimizer::mergeRead2Pair(CombineInfo &CI) {
TII->getAddNoCarry(*MBB, CI.Paired, DL, BaseReg)
.addReg(ImmReg)
- .addReg(AddrReg->getReg(), 0, BaseSubReg);
+ .addReg(AddrReg->getReg(), 0, BaseSubReg)
+ .addImm(0); // clamp bit
BaseSubReg = 0;
}
@@ -816,7 +817,8 @@ SILoadStoreOptimizer::mergeWrite2Pair(CombineInfo &CI) {
TII->getAddNoCarry(*MBB, CI.Paired, DL, BaseReg)
.addReg(ImmReg)
- .addReg(AddrReg->getReg(), 0, BaseSubReg);
+ .addReg(AddrReg->getReg(), 0, BaseSubReg)
+ .addImm(0); // clamp bit
BaseSubReg = 0;
}
@@ -1144,7 +1146,8 @@ unsigned SILoadStoreOptimizer::computeBase(MachineInstr &MI,
BuildMI(*MBB, MBBI, DL, TII->get(AMDGPU::V_ADD_I32_e64), DestSub0)
.addReg(CarryReg, RegState::Define)
.addReg(Addr.Base.LoReg, 0, Addr.Base.LoSubReg)
- .add(OffsetLo);
+ .add(OffsetLo)
+ .addImm(0); // clamp bit
(void)LoHalf;
LLVM_DEBUG(dbgs() << " "; LoHalf->dump(););
@@ -1153,7 +1156,8 @@ unsigned SILoadStoreOptimizer::computeBase(MachineInstr &MI,
.addReg(DeadCarryReg, RegState::Define | RegState::Dead)
.addReg(Addr.Base.HiReg, 0, Addr.Base.HiSubReg)
.add(OffsetHi)
- .addReg(CarryReg, RegState::Kill);
+ .addReg(CarryReg, RegState::Kill)
+ .addImm(0); // clamp bit
(void)HiHalf;
LLVM_DEBUG(dbgs() << " "; HiHalf->dump(););
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